Title:
PUNCHING DEVICE
Document Type and Number:
Japanese Patent JP2634032
Kind Code:
B2
Abstract:
PURPOSE: To provide a punching device capable of performing high-precise and fine-diameter punching according to a punching patter of a work by selecting a punching hole rich in variety by the punching patter of the work, and improving straight traveling properties and durability of the punch.
CONSTITUTION: The movement of a moving part 5 and a driving source for making respective punches perform the selective hitting action are controlled on the basis of the punching position based on the data in a control unit and the shapes of the punches. A work 100 is moved in the X direction or in the Y direction by the moving part 5 so that the punching position may be positioned just under the punch set by the control of the control unit, and the set punch performs the concentration punching of the holes having different shapes and the punching work wherein the holes having the different shapes are sequentially punched one by one according to the punching pattern of the work 100 to the work 100 in addition to the concentration punching of the holes having the same shapes on the basis of the data. The retainer performs the linear motion with the small hitting resistance by respective point contacts in relation to a punching tool holder, and similarly, the plunger performs it in relation to the retainer.
Inventors:
MATSUMOTO FUMIAKI
Application Number:
JP4047695A
Publication Date:
July 23, 1997
Filing Date:
February 28, 1995
Export Citation:
Assignee:
YUU EICHI TEII KK
International Classes:
B26F1/02; B26F1/04; (IPC1-7): B26F1/04; B26F1/02
Attorney, Agent or Firm:
Hayakawa Masaname